diff --git a/.github/workflows/codesee-arch-diagram.yml b/.github/workflows/codesee-arch-diagram.yml
index 92fcf92..ef979e9 100644
--- a/.github/workflows/codesee-arch-diagram.yml
+++ b/.github/workflows/codesee-arch-diagram.yml
@@ -8,6 +8,8 @@ on:
 
 name: CodeSee Map
 
+permissions: read-all
+
 jobs:
   test_map_action:
     runs-on: ubuntu-latest